adj
Meaning 1
Impenetrable to X-rays and other radiation.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: radiolucent
Standard Lemma guide
radiopaque
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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rā′dē-ō-pāk′
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Received-Pronunciation: /ˌɹeɪ̯.diː.əʊ̯ˈpeɪ̯k/
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Canada, General-American: /ˌɹeɪ̯.di.oʊ̯ˈpeɪ̯k/
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Australian, New-Zealand: /ˌɹæɪ̯.diː.ɐʉ̯ˈpæɪ̯k/
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Australian, New-Zealand, also: /ˌɹæɪ̯.diː.əʉ̯ˈpæɪ̯k/
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Scotland: /ˌɹe.di.oˈpek/
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India: /ˌɾeː.ɖiː.oːˈpeːk/
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rhymes with -eɪk
adjective
Meaning 2
not transparent to X-rays or other forms of radiation
Definition source: Princeton WordNet 3.0
Examples
- barium sulfate is radiopaque
Meaning relationships
Synonyms: radio-opaque
Antonyms: radiolucent
History
Etymology
Etymology tree Latin radiusder. English radi- English opaque English radiopaque From radi- (staff) + opaque. First attested in 1917.